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Finding the Fourth Proportional to 62,540.75, 86,306.25 and 33,860.40

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Solution

The fourth proportional to 62,540.75, 86,306.25 and 33,860.40 is: 46,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,540.75 : 86,306.25 = 33,860.40 : x
  2. Step 2: Convert to fraction form
    62,540.75/86,306.25 = 33,860.40/x
  3. Step 3: Cross multiply
    62,540.75x = 86,306.25 × 33,860.40
  4. Step 4: Simplify right side
    62,540.75x = 2,922,364,147.50
  5. Step 5: Solve for x
    x = 2,922,364,147.50/62,540.75
  6. Step 6: Final answer
    x = 46,727.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.